National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds and Breezy

34°F

1°C

Humidity 50%
Wind Speed W 22 G 36 mph
Barometer 29.73 in (1006.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 11 Jan 11:54 pm EST
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind 16 to 18 mph, with gusts as high as 36 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 38. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 38 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Southwest wind around 7 mph.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 3am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly between 8am and 2pm. Cloudy, with a high near 49. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Cloudy, with a low around 35. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. West wind 3 to 8 mph. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 21. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind 16 to 18 mph, with gusts as high as 36 mph.
Monday
Increasing clouds, with a high near 38. West wind 9 to 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 45. Southwest wind around 7 mph.
Tuesday Night
A slight chance of rain after 3am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly between 8am and 2pm. Cloudy, with a high near 49. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 35. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. West wind 3 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 21. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
A chance of snow before noon. Partly sunny, with a high near 30. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 21. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 36. West wind 5 to 8 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 25. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 36. Northwest wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
7:18 pm EST Jan 11, 2026
Forecast Valid:
12am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation